10554891169 has 9 divisors (see below), whose sum is σ = 10713049041. Its totient is φ = 10399039140.

The previous prime is 10554891131. The next prime is 10554891197. The reversal of 10554891169 is 96119845501.

It is a happy number.

The square root of 10554891169 is 102737.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10554891169 - 2⁷ = 10554891041 is a prime.

It is a super-2 number, since 2×10554891169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10554891119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7293604 + ... + 7295050.

Almost surely, 2^10554891169 is an apocalyptic number.

10554891169 is the 102737-th square number.

10554891169 is the 51369-th centered octagonal number.

It is an amenable number.

10554891169 is a deficient number, since it is larger than the sum of its proper divisors (158157872).

10554891169 is an frugal number, since it uses more digits than its factorization.

10554891169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 49.

Multiplying 10554891169 by its sum of digits (49), we get a square (517189667281 = 719159²).

The spelling of 10554891169 in words is "ten billion, five hundred fifty-four million, eight hundred ninety-one thousand, one hundred sixty-nine".